







🚪 Seal smart, save big—your door’s new best friend!
The M-D Building Products 43336 Vinyl Cinch® U-Shape Slide-On Under Door Seal is a 36-inch durable vinyl strip designed for quick, tool-free installation on standard doors. It effectively blocks drafts, moisture, and noise, enhancing home insulation and energy efficiency while reducing heating and cooling costs. Its robust construction ensures long-lasting performance, making it an ideal, eco-friendly upgrade for any modern home or office.










| ASIN | B00P4QHJNG |
| ASIN | B00P4QHJNG |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #23,331 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #210 in Weather Stripping |
| Color | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (6,564) |
| Customer reviews | 4.2 4.2 out of 5 stars (6,564) |
| Date First Available | 4 March 2015 |
| Date First Available | 4 March 2015 |
| Included components | DOOR SEAL CINCH 36"WHT by M-D BUILDING PRODUCTS MfrPartNo 43336 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 318 g |
| Item model number | MD Building - 43336 |
| Item model number | MD Building - 43336 |
| Item thickness | 1.75 Inches |
| Manufacturer | M-D Building Products |
| Manufacturer | M-D Building Products |
| Material | Vinyl |
| Measurement System | Inch |
| Number Of Pieces | 1 |
| Part number | 43336 |
| Product Dimensions | 91.44 x 5.08 x 4.45 cm; 317.51 g |
| Product Dimensions | 91.44 x 5.08 x 4.45 cm; 317.51 g |
| Size | 36 Inch |
| Style | Door Seal |
A**Y
Cut to size and you're good to go.
Perfect under door seal. Just make sure to measure and cut before installation or it will be a pain.
F**B
These replacement door sweeps were much easier to install than I expected 👍 🔧 Installation • Pulled the old sweeps off and used them as a length guide • New ones slid right on with no fuss • Took just a few minutes per door ✂️ Cutting options (worked great for French doors) • We cut one with a hacksaw, as recommended • For the second sweep, we used tin snips instead and it worked perfectly • Tin snips were especially helpful because this was a French door where the trim between the doors doesn’t touch the ground • The outside piece fit neatly over the trim, while the inside covered the gap 🚪 Fit & function • Covered gaps well • Sealed nicely at the bottom • Everything lined up cleanly once installed Overall, these are very easy to use, forgiving if your door setup isn’t perfectly standard, and worked well with both a hacksaw and tin snips. If you’re replacing worn door sweeps, this is a straightforward, DIY-friendly option.
T**.
Easy installation works great
M**K
Item as described and keeps draft out
S**E
facile à installé et tient très bien sans visse
Z**Z
Altamente recomendado. La pieza llega de un tamaño estándar a lo largo en el que se puede ajustar al tamaño de la puerta donde se desea colocar. Es fácil de cortar a la medida deseada y, una vez colocada en la puerta hace un cierre hermético que no permite el paso del polvo. La instalación en la puerta es superior sencillo.
Trustpilot
2 months ago
3 weeks ago